About Technol. Center of Nagasaki, Nagasaki, JPN
About HATADA R
About Technol. Center of Nagasaki, Nagasaki, JPN
About Surface & Coatings Technology
About Stainless Steel
About Irradiational changes of metals
About Other surface treatment
About Corrosion
About Acetylene
About 鋼管
About 内壁
About プラズマ源
About イオン注入